The fire door is not only of strong fire resistance, but also of the ability to prevent smoke diffusion. During the installation of fire doors, fire sealant strips will be added at each gap, which can effectively prevent harmful gases from floating outside the door.

steel main door,Ọnụ ụzọ ọkụ nwere iko, ọnụ ụzọ ọkụ osisi, ọnụ ụzọ ọkụ maka ụlọ,metal door lock installation,ọkụ gosiri ọnụ ụzọ azụmahịa,fire resistant door manufacturer,

ọnụ ụzọ ọkụ nwere ọkụ ọkụ, ọnụ ụzọ na-eguzogide ọkụ maka ụlọ,steel main door,ọnụ ụzọ eji agba ígwè,metal door lock installation,metal nche ọnụ ụzọ,fire resistant door manufacturer,

ígwè vs fiberglass ọnụ ụzọ,metal door lock installation,ọnụ ụzọ ọpụpụ ọkụ,steel main door,ihe obosara ọnụ ụzọ ọpụpụ,fire resistant door manufacturer,ụzọ ọpụpụ ọnụ ụzọ